Synonyms: caution, alert
| Part of speech | verb |
|---|---|
| Pronunciation | /wɔːn/ |
| Hyphenation | warn |
| Shavian alphabet | 𐑢𐑹𐑯 |
| Deseret alphabet | 𐐶𐐫𐑉𐑌 |
| Indicative mood | |
|---|---|
| Present tense | Past tense |
| (I) warn | (I) warned |
| (thou) warnest | (thou) warnedst |
| (he) warns, warneth | (he) warned |
| (we) warn | (we) warned |
| (you) warn | (you) warned |
| (they) warn | (they) warned |
| Subjunctive mood | |
| Present tense | Past tense |
| (I) warn | (I) warned |
| (thou) warn | (thou) warned |
| (he) warn | (he) warned |
| (we) warn | (we) warned |
| (you) warn | (you) warned |
| (they) warn | (they) warned |
| Imperative mood | |
| warn | |
| Participles | |
| Present participle | Past participle |
| warning | warned |
| Afrikaans | waarsku |
|---|---|
| Catalan | advertir |
| Czech | varovat |
| Danish | advare |
| Dutch | waarschuwen |
| Esperanto | averti |
| Faeroese | ávara |
| Finnish | varoittaa |
| French | avertir; alerter; mettre en garde; prémunir; prévenir; détourner |
| German | warnen |
| Icelandic | vara |
| Italian | avvertire |
| Jamaican Patois | waan |
| Latin | admonere; monere |
| Papiamento | avisá |
| Portuguese | advertir; avisar |
| Russian | предостерегать |
| Saterland Frisian | woarschauje; wikje; waadenje; woarskauje |
| Spanish | advertir; avisar |
| Swedish | varna; varsko; åtvarna |
| Welsh | rhybuddio |
| West Frisian | warskôgje |